now when you buy one motorola admiral rugged smartphone, for ninety nine ninety nine, you'll get four free for you business. visit a sprint store, or call eight five five, eight seven eight, four biz. there's no subtext... just tacos. yeah, it's our job to make you want it. but honestly... it's not that hard. old el paso. when you gotta have mexican. >>> from the cnn center, this is cnn saturday morning, great to see you. it is saturday, march 16th. i'm susan hendricks in for randi kaye. and today we could hear from the teenage girl who accuses two high school football players of rape as this case moves into a rare weekend session. >>> the u.s. answers north korea's threat of a nuclear strike by ramping up missile defenses. and also, what really happened in mississippi when three white teenagers ran down and killed a black man. accident or murder? cnn investigates. >>> we begin with that rare saturday criminal trial. the case has riveted the nation really. two teens are accused of raping a 16-year-old girl while she could barely open her eyes. the rape allegedly happened last august d